You'll find the Troy Lee Designs D3 Carbon Fiber Helmet on the heads of many of mountain biking's greats, and it's not exactly a mystery as to why. First, there's TLD's storied heritage, which alone would be enough to keep its helmets on the heads of the sport's elite. Then there's the fact that it exceeds every relevant helmet safety standard. And finally, between TLD's eye-catching graphics, and the stunning shell shape, it's arguably the sweetest looking lid ever built. Whatever reason you pick, the result is the same -- you'll be wearing what just may be the ultimate full face helmet. The D3 CF is made with Troy Lee's carbon fiber shell. Carbon fiber has become the dream material for helmets because of its light weight and incredible durability. This being the carbon version, it's accented with titanium hardware for light weight, strength, and additional bling. The helmet comes with two visors, so you can pop a new one on in the event of a visor-smashing digger. TLD also threw in a custom helmet bag to protect the incredible paint jobs that the D3 sports. Full incremental sizing, rather than a cheesy adjustment system, gives the D3 a completely custom feel. Dual-density shock pads provide luxurious comfort and unprecedented protection. Thanks to an intelligent design, the D3 exceeds CPSC 1203, CE EN 1077, CE EN 1078, ASTM F1952, and ASTM F2040 safety standards. In other words, you're giving your brain the absolute best chance of walking away from harrowing crashes unscathed. Troy Lee's comfort liner is completely removable, washable, and replaceable, so you don't have to buy a new if the liner gets irreparably funky. The liner is also made with CoolMax and Dri-Lex moisture-wicking materials to keep your head dry and cool while you ride. And Troy Lee also equipped the D3 with quick-release cheek pads to make the helmet easier to remove in case of an emergency. Troy Lee didn't stop at padding to make the D3 the most comfortable helmet on the market. The D3's ...